package apiday02;
// Object 的演示
public class ObjectDemo {
    public static void main(String[] args) {
        /*
        Point p = new Point(100,200);
        System.out.println(p);
        System.out.println(p.toString()); // 默认是哈西扣的值
         */
        /*
        Point p1 = new Point(100,200);
        Point p2 = new Point(100,200);
        System.out.println(p1==p2); // false
        System.out.println(p1.equals(p2)); // 重写前 false 重写后 true
         */

        String s1 = new String("hello");
        String s2 = new String("hello");
        System.out.println(s1.equals(s2)); // true

        StringBuilder builder1 = new StringBuilder("hello");
        StringBuilder builder2 = new StringBuilder("hello");

        System.out.println(builder1.equals(builder2)); // false

        System.out.println(s1.equals(builder1)); // false
    }
}
